Grasshopper Island

I have now seen Grasshopper Island (1971) all the way through once and have had my initial impression confirmed, that it is a delight. True to form it has also raised many a question for me. It is a series of very short episodes about three brothers (referred to throughout by their nicknames of Toughy, Smarty, and Mouse) who get tired of authority figures so decide to run away for a year and a day, to a desert island. They pack up and go to the docks, where of course nobody will take them except for a man described as an elderly boy, because he isn't old and isn't young. He takes them away on his boat and leaves them on a desert island, shot on location in Corsica. He won't leave them and can't cope without them, but eventually gets the hint and leaves the brothers there. This leads to the longest, middle part of the show, where they are living this blissful life in the sun on their island with no authority figures. They have the odd squabble but this is not Lord of the...